Boat builder Salary range: £16,000 to £35,000 Boat builders build, repair and refit marine craft from small sailing boats to large sea-going vessels.
CAD technician Salary range: £17,000 to £35,000 Computer-aided design (CAD) technicians use software to design structures, machinery, goods and components.
Carpenter Salary range: £17,000 to £38,000 Carpenters and joiners make and install wooden structures, fittings and furniture.
CNC machinist Salary range: £20,000 to £35,000 Computer numerically controlled (CNC) machinists make precision parts for the engineering and manufacturing industries.
Coastguard Salary range: £20,000 to £30,000 Coastguards help prevent the loss of life along the coast and at sea by co-ordinating and supporting search and rescue operations.
Cruise ship steward Salary range: variable Cruise ship stewards clean and service cabins on board cruise ships.
Design and development engineer Salary range: £24,000 to £50,000 Design engineers improve product performance and efficiency while researching and developing new manufacturing ideas and systems.
Diver Salary range: variable Divers work underwater at sea, or in rivers, lakes, canals and reservoirs.
Electrical engineer Salary range: £20,000 to £60,000 Electrical engineers design, build and maintain electrical systems, machinery and equipment.
Electrical engineering technician Salary range: £20,000 to £40,000 Electrical engineering technicians install, repair and maintain electrical equipment, systems and controls.
Electrician Salary range: £18,000 to £42,000 Electricians fit, service and repair electric machines, equipment and wires.
Electronics engineer Salary range: £26,000 to £60,000 Electronics engineers design and develop systems for industry, from mobile communications to manufacturing and aerospace.
Electronics engineering technician Salary range: £18,000 to £35,000 Electronics engineering technicians design, build and maintain electronic systems and components.
Lifeguard Salary range: £15,000 to £22,000 Lifeguards look after swimming areas, help swimmers to stay safe and carry out rescues in emergencies.
Marine engineer Salary range: £24,000 to £55,000 Marine engineers design, build, test and repair boats, ships, underwater craft, offshore platforms and drilling equipment.
Marine engineering technician Salary range: £20,000 to £35,000 Marine engineering technicians design, build, service and repair boats and ships.
Mechanical engineer Salary range: £20,000 to £52,000 Mechanical engineers research and design mechanical products and systems, and oversee them being made, used and repaired.
Mechanical engineering technician Salary range: £18,000 to £40,000 Mechanical engineering technicians design, install and repair industrial plant machinery and parts.
Merchant Navy deck officer Salary range: £12,700 to £40,000 Merchant Navy deck officers look after the day-to-day running and navigation of ships, and take care of passengers and cargo.
Merchant Navy engineering officer Salary range: £9,100 to £70,000 Merchant Navy engineering officers maintain the mechanical and electrical machinery and instruments on board a ship.
Merchant Navy rating Salary range: £13,500 to £28,000 Merchant Navy ratings carry out a wide range of jobs to help the day-to-day running of a ship.
Naval architect Salary range: £25,000 to £65,000 Naval architects design, construct, refit and repair marine vessels and offshore structures.
Research scientist Salary range: £17,688 to £43,000 Research scientists plan and lead experiments and investigations on a range of scientific topics.
Sailing instructor Salary range: £16,000 to £28,000 Sailing instructors teach people to sail yachts and boats.
Welder Salary range: £20,000 to £34,000 Welders cut, join and shape metal plate, pipework and composite materials in the aerospace, construction and civil engineering industries.